CVE-2026-91798 json
Foxit PDF Editor/Reader Updater Privilege Escalation
published 2026-09-23 47 d ago modified 2026-10-29 10 d ago also EUVD-2026-85167
- cvss
- 8.8
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.1%
- EPSS 0.1% chance of exploitation in 30 days, percentile 4%
- public exploits
- 0
- none known
Summary
A local privilege escalation vulnerability exists in the update daemon of Foxit PDF Editor/Reader due to an insecure permission configuration that allows the configuration file to be modified by regular users, which may lead to arbitrary script execution with higher privileges.
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- total
- Assessed
- 47 d ago
Exploit prediction
0.15% chance of exploitation in the next 30 days, higher than 4% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 8.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H |
Affected products
- Foxit Software Inc. Foxit PDF Editor
- Foxit Software Inc. Foxit PDF Reader
Classification
- Weakness
-
- CWE-732 Incorrect Permission Assignment for Critical Resource
References
-
foxit.com
/support/security-bulletins.html
vendor-advisory
Sources
- CVE List CVE-2026-91798
- NVD CVE-2026-91798
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